gecko-dev/dom/base/FlushType.h

63 строки
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_FlushType_h
#define mozilla_FlushType_h
#include <stdint.h>
#include "X11UndefineNone.h"
namespace mozilla {
/**
* This is the enum used by nsIDocument::FlushPendingNotifications to
* decide what to flush.
*
* Please note that if you change these values, you should sync it with the
* flushTypeNames array inside PresShell::FlushPendingNotifications.
*/
enum class FlushType : uint8_t {
None = 0, /* Actually don't flush anything */
Event = 1, /* Flush pending events before notify other observers */
Content = 2, /* flush the content model construction */
ContentAndNotify = 3, /* As above, plus flush the frame model
construction and other nsIMutationObserver
notifications. */
Style = 4, /* As above, plus flush style reresolution */
Frames = Style,
EnsurePresShellInitAndFrames = 5, /* As above, plus ensure the pres shell is alive */
InterruptibleLayout = 6, /* As above, plus flush reflow,
but allow it to be interrupted (so
an incomplete layout may result) */
Layout = 7, /* As above, but layout must run to
completion */
Display = 8, /* As above, plus flush painting */
Count
};
/**
* This is the enum used by nsIDocument::FlushPendingNotifications to decide
* whether the current document is skippable.
*/
enum class FlushTarget : uint8_t {
Normal = 0, /* Flush current and parent documents. */
ParentOnly = 1 /* Skip current document, only flush its parent. */
};
struct ChangesToFlush {
ChangesToFlush(FlushType aFlushType, bool aFlushAnimations)
: mFlushType(aFlushType)
, mFlushAnimations(aFlushAnimations)
{}
FlushType mFlushType;
bool mFlushAnimations;
};
} // namespace mozilla
#endif // mozilla_FlushType_h